code: def restore(self, checkpoint_path: str):
      with open(checkpoint_path, "r") as f:
          state = json.load(f)
      self._trial_count = state["trial_count"]
  
imports: import collections
  import json
  import os
  from pathlib import Path
  import random
  import time
  from typing import Dict, List, Optional
  import ray
  from ray import train, tune
  from ray.train.data_parallel_trainer import DataParallelTrainer
  from ray.tune.experiment import Trial
  from ray.train.tests.util import create_dict_checkpoint, load_dict_checkpoint
label_desc: Use image node_id 5 for calling the StatefulSearcher obj's underlying member method code with example usage: obj.restore(checkpoint_path) without return types